C Program To Print Pascal Triangle

Introduction
  • In this blog, I am going to explain how to print a Pascal triangle.
Software Requirements
  • Turbo C++ or C. 
Programming 
  1. #include < stdio.h >   
  2. long factorial(int);  
  3. int main()  
  4. {  
  5.     int i, n, c;  
  6.     printf("Enter the number of rows you wish to see in pascal triangle\n");  
  7.     scanf("%d", & n);  
  8.     for (i = 0; i < n; i++) {  
  9.         for (c = 0; c <= (n - i - 2); c++) printf(" ");  
  10.         for (c = 0; c <= i; c++) printf("%ld ", factorial(i) / (factorial(c) * factorial(i - c)));  
  11.         printf("\n");  
  12.     }  
  13.     return 0;  
  14. }  
  15. long factorial(int n) {  
  16.     int c;  
  17.     long result = 1;  
  18.     for (c = 1; c <= n; c++) result = result * c;  
  19.     return result;  
  20. }  
Explanation
  • With the help of programming given above, Pascal triangle can be printed by giving the number of rows by the user.

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Output

Output
X

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